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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "alloc-util.h"
#include "extract-word.h"
#include "macro.h"
#include "parse-argument.h"
#include "path-util.h"
#include "string-util.h"
#include "vmspawn-mount.h"
static void runtime_mount_done(RuntimeMount *mount) {
assert(mount);
mount->source = mfree(mount->source);
mount->target = mfree(mount->target);
}
void runtime_mount_context_done(RuntimeMountContext *ctx) {
assert(ctx);
FOREACH_ARRAY(mount, ctx->mounts, ctx->n_mounts)
runtime_mount_done(mount);
free(ctx->mounts);
}
int runtime_mount_parse(RuntimeMountContext *ctx, const char *s, bool read_only) {
_cleanup_(runtime_mount_done) RuntimeMount mount = { .read_only = read_only };
_cleanup_free_ char *source_rel = NULL;
int r;
assert(ctx);
r = extract_first_word(&s, &source_rel, ":", EXTRACT_DONT_COALESCE_SEPARATORS);
if (r < 0)
return r;
if (r == 0)
return -EINVAL;
if (isempty(source_rel))
return -EINVAL;
r = path_make_absolute_cwd(source_rel, &mount.source);
if (r < 0)
return r;
/* virtiofsd only supports directories */
r = is_dir(mount.source, /* follow= */ true);
if (r < 0)
return r;
if (!r)
return -ENOTDIR;
mount.target = s ? strdup(s) : TAKE_PTR(source_rel);
if (!mount.target)
return -ENOMEM;
if (!path_is_absolute(mount.target))
return -EINVAL;
if (!GREEDY_REALLOC(ctx->mounts, ctx->n_mounts + 1))
return log_oom();
ctx->mounts[ctx->n_mounts++] = TAKE_STRUCT(mount);
return 0;
}
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